“I am pleased to inform you that I have just named General/Secretary John F Kelly as White House Chief of Staff,” the president wrote. “He is a Great American and a Great Leader. John has also done a spectacular job at Homeland Security. He has been a true star of my Administration.”

In a subsequent tweet, Trump thanked Priebus for his service to his administration.

“I would like to thank Reince Priebus for his service and dedication to his country,” he wrote. “We accomplished a lot together and I am proud of him!”

I would like to thank Reince Priebus for his service and dedication to his country. We accomplished a lot together and I am proud of him!